<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			svg{stroke: black;fill: none;width:400px;height:400px;border:1px dashed black;}
		</style>
	</head>
	<body>
		<svg>
			<filter id="glow">
				<fecolormatrix type="matrix" values="0 0 0 0 0 0 0 0 0.9 0 0 0 0.9 0 0 0 0 1 0" />
				<fegaussianblur stdDeviation="2.5" result="coloredBlur" />
				<femerge>
					<femergenode in="coloredBlur" />
					<femergenode in="SourceGraphic" />
				</femerge>
			</filter>
		</svg>
	</body>
</html>
